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Table 4 Regression analysis results

From: Reduction of arsenic content in a complex galena concentrate by Acidithiobacillus ferrooxidans

Predictor Coefficient T value Probability
Constant 52.0270 6.76 0.000
Pulp density % -66.3470 -14.05 0.000
Surface area -32.5570 -6.89 0.000
Ferric chloride -21.0730 -4.46 0.000
Carbon dioxide -12.5350 -2.65 0.009
Air 29.3000 6.20 0.000
9 K medium 29.3010 6.20 0.000
Strain 3.0020 0.64 0.526
Days 3.9396 14.41 0.000